CATERPILLAR C18
The C18 ACERT marine propulsion engine offers commercial application ratings ranging from 469 to 715bhp (475 to 725mhp) at 1,800 to 2,100 rpm, ensuring compliance with US EPA Tier 3, IMO II, and EU IW emissions regulations.
Alongside meeting the stringent EPA Tier 3 emissions standards, the engine now provides a fresh water aftercooled option for both commercial propulsion and auxiliary engines, as well as genset packages.
Performance-comparison: C18-1001
| C18 ACERT 1001 hp | Original effort | Nautitune |
|---|---|---|
| Capacity | 18000 cm3 | 18000 cm3 |
| Compression | 15,5:1 | 15,5:1 |
| Cylinder | 6 | 6 |
| hp | 1001 hp | 1150 hp |
| Torque | 3805 Nm | 4200 Nm |
Performance-comparison: C18-1136
| C18 ACERT 1136 hp | Original effort | Nautitune |
|---|---|---|
| Capacity | 18000 cm3 | 18000 cm3 |
| Compression | 15,5:1 | 15,5:1 |
| Cylinder | 6 | 6 |
| hp | 1136 hp | 1280hp |
| Torque | 4316 Nm | 4650 Nm |